critical

adjectivedefinition 1: tending to make severe judgments or to find fault.example:Her mother-in-law was so critical that it seemed impossible please her.example:Many citizens have become critical of the current government and are demanding reforms.

definition 2: characterized by or involving careful and exact analysis and evaluation.example:Scientific research requires critical thinking.

definition 3: of the nature of a crisis; being at the very highest point of danger but still allowing the possibility of a positive outcome.example:She’s in the hospital and her condition is considered critical.

definition 4: extremely important.example:It is critical that you understand these instructions; making a mistake could have dangerous consequences.example:The testimony of this witness is critical to the case for the defense.See full entry